Home / 478,783.20-660,694.32-263,922.96

Finding the Fourth Proportional to 478,783.20, 660,694.32 and 263,922.96

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Solution

The fourth proportional to 478,783.20, 660,694.32 and 263,922.96 is: 364,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,783.20 : 660,694.32 = 263,922.96 : x
  2. Step 2: Convert to fraction form
    478,783.20/660,694.32 = 263,922.96/x
  3. Step 3: Cross multiply
    478,783.20x = 660,694.32 × 263,922.96
  4. Step 4: Simplify right side
    478,783.20x = 174,372,400,589.59
  5. Step 5: Solve for x
    x = 174,372,400,589.59/478,783.20
  6. Step 6: Final answer
    x = 364,199.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.